Buffalo WZR-HP-G300NH2 slow throughput

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jsilver
DD-WRT Novice


Joined: 12 Apr 2012
Posts: 2

PostPosted: Thu Apr 12, 2012 11:26    Post subject: Buffalo WZR-HP-G300NH2 slow throughput Reply with quote
I have Virgin 50Mbits. Attach the modem to a PC directly, and speedtest.net shows 50Mbits reliably. Add the WZR-HP-G300NH2 router (wired not wireless) and for the first few minutes it's 50Mbits all the way. Then it drops to around 10Mbits reliably and repeatably. This is download speed of course. Upload speed is always around 5Mbits.

Using Buffalo-supplied DD-WRT firmware.

Web admin screens remain responsive, memory & resources look good, no P2P or downloads running.

Anyone have any ideas?

This could include ditching the router, but please suggest a better alternative.
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punker_4_real
DD-WRT User


Joined: 22 Oct 2006
Posts: 238

PostPosted: Thu Apr 12, 2012 11:57    Post subject: Reply with quote
I have the same router with
DD-WRT v24-sp2 (08/07/10) std
(SVN revision 14896) everthing seems to work fine except with the wireless dropping out in online gamming
'

I get full speed 30mbps/5mbps
jsilver
DD-WRT Novice


Joined: 12 Apr 2012
Posts: 2

PostPosted: Thu Apr 12, 2012 12:32    Post subject: Reply with quote
I did more testing...

1. Remove all extraneous devices from the network so there's just one wired device with a 1Gbit connection
2. Shut down all extraneous services on the PC
3. Reboot the router
4. Time from when the red reboot light goes off to the first sign of a slow-down

Result: it's FIVE MINUTES of fast, then slow.

Over and over again I get 5 minutes of full speed, then a moment where speedtest.net seems to have problems connecting, then it's down to 10Mbits - every time without fail!

Any ideas anyone?
Sash
DD-WRT Guru


Joined: 20 Sep 2006
Posts: 17442
Location: Hesse/Germany

PostPosted: Thu Apr 12, 2012 13:03    Post subject: Reply with quote
then upgrade 1st
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